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Finding the Fourth Proportional to 195,720.84, 270,224.88 and 150,317.70

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Solution

The fourth proportional to 195,720.84, 270,224.88 and 150,317.70 is: 207,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720.84 : 270,224.88 = 150,317.70 : x
  2. Step 2: Convert to fraction form
    195,720.84/270,224.88 = 150,317.70/x
  3. Step 3: Cross multiply
    195,720.84x = 270,224.88 × 150,317.70
  4. Step 4: Simplify right side
    195,720.84x = 40,619,582,444.38
  5. Step 5: Solve for x
    x = 40,619,582,444.38/195,720.84
  6. Step 6: Final answer
    x = 207,538.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.